Unema Plumbing & Heating, Inc Categories Excavating/Trenching 272 E. 26th St. Holland MI 494235483 (616) 692-6687 Send Email Rep/Contact Info Nick Unema Phone: (616) 692-6687 Send an Email 272 E. 26th St. Holland MI 49423-5483 Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×